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add caesar cipher

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Cody Loyd
2017-08-25 13:59:26 -05:00
parent cadd4b255c
commit b847c3bd61
4 changed files with 60 additions and 2 deletions
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caesar/caesar.spec.js
+22
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@@ -0,0 +1,22 @@
var caesar = require('./caesar')
describe('caesar', function() {
it('works with single letters', function() {
expect(caesar('A', 1)).toEqual('B');
});
xit('works with words', function() {
expect(caesar('Aaa', 1)).toEqual('Bbb');
});
xit('works with phrases', function() {
expect(caesar('Hello, World!', 5)).toEqual('Mjqqt, Btwqi!');
});
xit('works with negative shift', function() {
expect(caesar('Mjqqt, Btwqi!', -5)).toEqual('Hello, World!');
});
xit('wraps', function() {
expect(caesar('Z', 1)).toEqual('A');
});
xit('works with large shift factors', function() {
expect(caesar('Hello, World!', 75)).toEqual('Ebiil, Tloia!');
});
});